TestPrintArray.py
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"""
Test lldb data formatter subsystem.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class PrintArrayTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def test_print_array(self):
"""Test that expr -Z works"""
self.build()
self.printarray_data_formatter_commands()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break at.
self.line = line_number('main.cpp', 'break here')
def printarray_data_formatter_commands(self):
"""Test that expr -Z works"""
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# This is the function to remove the custom formats in order to have a
# clean slate for the next test case.
def cleanup():
self.runCmd('type format clear', check=False)
self.runCmd('type summary clear', check=False)
self.runCmd('type synth clear', check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
self.expect(
'expr --element-count 3 -- data',
substrs=[
'[0] = 1',
'[1] = 3',
'[2] = 5'])
self.expect('expr data', substrs=['int *', '$', '0x'])
self.expect(
'expr -f binary --element-count 0 -- data',
substrs=[
'int *',
'$',
'0b'])
self.expect(
'expr -f hex --element-count 3 -- data',
substrs=[
'[0] = 0x',
'1',
'[1] = 0x',
'3',
'[2] = 0x',
'5'])
self.expect(
'expr -f binary --element-count 2 -- data',
substrs=[
'int *',
'$',
'0x',
'[0] = 0b',
'1',
'[1] = 0b',
'11'])
self.expect('parray 3 data', substrs=['[0] = 1', '[1] = 3', '[2] = 5'])
self.expect(
'parray `1 + 1 + 1` data',
substrs=[
'[0] = 1',
'[1] = 3',
'[2] = 5'])
self.expect(
'parray `data[1]` data',
substrs=[
'[0] = 1',
'[1] = 3',
'[2] = 5'])
self.expect(
'parray/x 3 data',
substrs=[
'[0] = 0x',
'1',
'[1] = 0x',
'3',
'[2] = 0x',
'5'])
self.expect(
'parray/x `data[1]` data',
substrs=[
'[0] = 0x',
'1',
'[1] = 0x',
'3',
'[2] = 0x',
'5'])
# check error conditions
self.expect(
'expr --element-count 10 -- 123',
error=True,
substrs=['expression cannot be used with --element-count as it does not refer to a pointer'])
self.expect(
'expr --element-count 10 -- (void*)123',
error=True,
substrs=['expression cannot be used with --element-count as it refers to a pointer to void'])
self.expect('parray data', error=True, substrs=[
"invalid element count 'data'"])
self.expect(
'parray data data',
error=True,
substrs=["invalid element count 'data'"])
self.expect('parray', error=True, substrs=[
'Not enough arguments provided'])